An API dumps its output as string in the HTML body. Not really much use, not really easy to inspect it. The solutions? Parse the body with JSON.parse an inspect it in the console.

JSON.parse(document.body.textContent)

[{"id":115,"date":"2020-11-09T02:57:48","date_gmt":"2020-11-09T02:57:48","guid":{"rendered":"http:\/\/127.0.0.1\/aaa\/?
post_type=jobs&p=115"},"modified":"2020-11-09T05:22:55","modified_gmt":"2020-11-09T05:22:55","slug":"another-test-
job","status":"publish","type":"jobs","link":"http:\/\/127.0.0.1\/aaa\/jobs\/another-test-job\/","title":{"rendered":"Another Test 
Job"},"parent":0,"menu_order":0,"template":"","_links":{"self":[{"href":"http:\/\/127.0.0.1\/aaa\/wp-
json\/wp\/v2\/jobs\/115"}],"collection":[{"href":"http:\/\/127.0.0.1\/aaa\/wp-json\/wp\/v2\/jobs"}],"about":
[{"href":"http:\/\/127.0.0.1\/aaa\/wp-json\/wp\/v2\/types\/jobs"}],"wp:attachment":[{"href":"http:\/\/127.0.0.1\/aaa\/wp-
json\/wp\/v2\/media?parent=115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},
{"id":96,"date":"2020-11-09T02:48:51","date_gmt":"2020-11-09T02:48:51","guid":{"rendered":"http:\/\/127.0.0.1\/aaa\/?
post_type=jobs&p=96"},"modified":"2020-11-09T05:23:30","modified_gmt":"2020-11-09T05:23:30","slug":"test-
job","status":"publish","type":"jobs","link":"http:\/\/127.0.0.1\/aaa\/jobs\/test-job\/","title":{"rendered":"Test 
Job"},"parent":0,"menu_order":0,"template":"","_links":{"self":[{"href":"http:\/\/127.0.0.1\/aaa\/wp-
json\/wp\/v2\/jobs\/96"}],"collection":[{"href":"http:\/\/127.0.0.1\/aaa\/wp-json\/wp\/v2\/jobs"}],"about":
[{"href":"http:\/\/127.0.0.1\/aaa\/wp-json\/wp\/v2\/types\/jobs"}],"wp:attachment":[{"href":"http:\/\/127.0.0.1\/aaa\/wp-
json\/wp\/v2\/media?parent=96"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}]